Eberspacher airtronic d4 marine installation advice. Part four of a six part series on fitting an eberspacher d2 airtronic heater to a 2011 citroen relay campervan. They can install the heater so that it satisfies the special requirements of your boat. Wihuri technical trade preheaters and air conditioning systems phone 020 510 2327 fax 020 510 2207 eberspacheratwihuri. Fitting an eberspacher d2 to a citroen relay campervan. For technical information including installation manuals, troubleshooting and heater overviews please click here. Headlands business park, salisbury road, ringwood, hants bh24 3pb. Concept of this manual this manual aims to provide all the necessary information to assist with the installation of eberspacher airtronic d2 d4 and d5 air heaters into marine craft when used in conjunction with the heaters technical description manual. This manual is designed to be used with the airtronic d2 d4. Ebay chinese diesel heater first time installation. Technical manual for the eberspacher airtronic d4 heater designed to support anyone installing the heater or users looking for important technical information about this product. Airtronic d2 12 volt 25 2069 05 00 00 airtronic d2 12 volt 25 2115 05 00 00 as a complete package airtronic d4 12 volt 25 21 05 00 00. This manual has been divided into chapters for quick and easy reference as listed below. Please reference the data tag on your heater to verify which heater model you have.